| // Copyright (c) HashiCorp, Inc. |
| // SPDX-License-Identifier: MPL-2.0 |
| |
| //go:build !windows |
| |
| package command |
| |
| import ( |
| "os" |
| "os/signal" |
| "syscall" |
| ) |
| |
| // MakeSigUSR2Ch returns a channel that can be used for SIGUSR2 |
| // goroutine logging. This channel will send a message for every |
| // SIGUSR2 received. |
| func MakeSigUSR2Ch() chan struct{} { |
| resultCh := make(chan struct{}) |
| |
| signalCh := make(chan os.Signal, 4) |
| signal.Notify(signalCh, syscall.SIGUSR2) |
| go func() { |
| for { |
| <-signalCh |
| resultCh <- struct{}{} |
| } |
| }() |
| return resultCh |
| } |
